Ultimate Crab

Lopunny-Mega @ Lopunnite
Ability: Scrappy
EVs: 4 HP / 252 Atk / 252 Spe
Jolly Nature
- Ice Punch
- High Jump Kick
- Return
- Power-Up Punch

Crawdaunt @ Life Orb
Ability: Adaptability
EVs: 252 HP / 252 Atk / 4 SpD
Adamant Nature
- Aqua Jet
- Swords Dance
- Waterfall
- Crunch

Heatran @ Leftovers
Ability: Flash Fire
EVs: 252 HP / 4 SpA / 240 SpD / 12 Spe
Calm Nature
- Lava Plume
- Earth Power
- Taunt
- Protect

Landorus-Therian (M) @ Leftovers
Ability: Intimidate
EVs: 252 HP / 152 Def / 104 Spe
Impish Nature
- Earthquake
- U-turn
- Knock Off
- Stealth Rock

Celebi @ Leftovers
Ability: Natural Cure
EVs: 252 HP / 4 SpD / 252 Spe
Jolly Nature
- Swords Dance
- Seed Bomb
- Baton Pass
- Heal Bell

Clefable @ Leftovers
Ability: Magic Guard
EVs: 252 HP / 252 Def / 4 SpA
Bold Nature
- Calm Mind
- Moonblast
- Soft-Boiled
- Flamethrower